Common selection infrastructure for picking the best byte swap method. Signed-off-by: H. Peter Anvin <hpa@xxxxxxxxx> --- tools/include/tools/unaligned/be_swap.h | 15 +++++++++++++++ tools/include/tools/unaligned/le_swap.h | 15 +++++++++++++++ 2 files changed, 30 insertions(+) create mode 100644 tools/include/tools/unaligned/be_swap.h create mode 100644 tools/include/tools/unaligned/le_swap.h diff --git a/tools/include/tools/unaligned/be_swap.h b/tools/include/tools/unaligned/be_swap.h new file mode 100644 index 000000000000..f0effb8fc6ca --- /dev/null +++ b/tools/include/tools/unaligned/be_swap.h @@ -0,0 +1,15 @@ +#ifndef TOOLS_BE_SWAP_H +#define TOOLS_BE_SWAP_H + +#ifdef htole64 +/* Prefer the <endian.h> infrastructure if it exists */ +# include <tools/unaligned/be_endian.h> +#elif TOOLS_UNALIGNED_GCC >= 0x040800 +/* This version of gcc is new enough to have __builtin_bswap*() */ +# include <tools/unaligned/be_bswap.h> +#else +/* This always works */ +# include <tools/unaligned/be_byteshift.h> +#endif + +#endif /* TOOLS_BE_SWAP_H */ diff --git a/tools/include/tools/unaligned/le_swap.h b/tools/include/tools/unaligned/le_swap.h new file mode 100644 index 000000000000..8952723c1dff --- /dev/null +++ b/tools/include/tools/unaligned/le_swap.h @@ -0,0 +1,15 @@ +#ifndef TOOLS_LE_SWAP_H +#define TOOLS_LE_SWAP_H + +#ifdef htobe64 +/* Prefer the <endian.h> infrastructure if it exists */ +# include <tools/unaligned/le_endian.h> +#elif TOOLS_UNALIGNED_GCC >= 0x040800 +/* This version of gcc is new enough to have __builtin_bswap*() */ +# include <tools/unaligned/le_bswap.h> +#else +/* This always works */ +# include <tools/unaligned/le_byteshift.h> +#endif + +#endif /* TOOLS_LE_SWAP_H */ -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
